EP 2312390 A1 20110420 - Light source comprising a digital regulator
Title (en)
Light source comprising a digital regulator
Title (de)
Lichtquelle mit einem digitalen Regler
Title (fr)
Source de lumière comprenant un régulateur numérique
Publication
Application
Priority
EP 09172884 A 20091013
Abstract (en)
A light source (10) for use with projection equipment, the light source comprising at least one light emitting element (12) arranged to be switched on and off and a digital regulator (11) connected to the light emitting element. In one embodiment the digital regulator is arranged to store values between each turning on of the light emitting element and the regulator utilizes these values in its calculations.
IPC 8 full level
G03B 21/14 (2006.01)
CPC (source: EP)
G03B 21/2033 (2013.01)
Citation (applicant)
- US 2006279710 A1 20061214 - TANI NAOAKI [JP]
- US 2008253418 A1 20081016 - EGAWA AKIRA [JP], et al
- US 2007153862 A1 20070705 - SHCHEGROV ANDREI V [US], et al
- US 2002159039 A1 20021031 - YONENO KUNIO [JP]
Citation (search report)
- [X] US 2005219467 A1 20051006 - NOMIZO TOMOHIRO [JP], et al
- [X] US 2008253418 A1 20081016 - EGAWA AKIRA [JP], et al
- [X] US 2007153862 A1 20070705 - SHCHEGROV ANDREI V [US], et al
- [X] US 2002159039 A1 20021031 - YONENO KUNIO [JP]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
Designated extension state (EPC)
AL BA RS
DOCDB simple family (publication)
EP 2312390 A1 20110420; EP 2312390 B1 20151216; DK 2312390 T3 20160329; ES 2568428 T3 20160429; PL 2312390 T3 20160831; PL 2312390 T4 20160831
DOCDB simple family (application)
EP 09172884 A 20091013; DK 09172884 T 20091013; ES 09172884 T 20091013; PL 09172884 T 20091013